Gibberish/ˈdʒɪbərɪʃ/ Definition 1 of 2Pro Tip 1/3Context Matters Used when something can't be understood due to lack of context, like a private joke. They were laughing but to me it was gibberish. Pro Tip 2/3Emotional Expression Can convey frustration or confusion when someone can't articulate their thoughts clearly. During the heated argument, all I heard was gibberish. Pro Tip 3/3Not Always Negative Sometimes used playfully to describe endearing nonsensical talk, like baby talk. The toddler's gibberish made everyone smile.